When the ''pakva'' part (the non-absorbable remnant part after the absorption of the nutrients), reaches the ''pakvashaya'' (the colon), the drying effect of ''agni'' converts it into a solid mass. There also occurs the release of ''vata'' which is ''katu'' (pungent) state [9-11] | When the ''pakva'' part (the non-absorbable remnant part after the absorption of the nutrients), reaches the ''pakvashaya'' (the colon), the drying effect of ''agni'' converts it into a solid mass. There also occurs the release of ''vata'' which is ''katu'' (pungent) state [9-11] |